답안 #128564

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
128564 2019-07-11T06:38:41 Z 구재현(#3166) 영역 (JOI16_ho_t4) C++14
15 / 100
23 ms 2792 KB
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 100005;
using lint = long long;
using pi = pair<lint, lint>;

int n, k;
char str[MAXN];

int main(){
	scanf("%d %d",&n,&k);
	scanf("%s", str);
	vector<pi> v = {pi(0, 0)};
	lint px = 0, py = 0;
	for(int j=0; j<n; j++){
		if(str[j] == 'E') px++;
		if(str[j] == 'W') px--;
		if(str[j] == 'N') py++;
		if(str[j] == 'S') py--;
		v.emplace_back(px, py);
	}
	if(v.back().first < 0){
		for(auto &i : v) i.first *= -1;
	}
	if(v.back().second < 0){
		for(auto &i : v) i.second *= -1;
	}
	if(v.back().second == 0){
		for(auto &i : v) swap(i.first, i.second);
	}
	if(v.back() == pi(0, 0)) k = 1;
	if(k != 1) return 1;
	sort(v.begin(), v.end());
	v.resize(unique(v.begin(), v.end()) - v.begin());
	lint ret = 0;
	for(auto &i : v){
		if(binary_search(v.begin(), v.end(), pi(i.first + 1, i.second)) &&
				binary_search(v.begin(), v.end(), pi(i.first, 1 + i.second)) &&
				binary_search(v.begin(), v.end(), pi(i.first + 1, 1 + i.second))){
			ret++;
		}
	}
	cout << ret << endl;
	return 0;
}

Compilation message

2016_ho_t4.cpp: In function 'int main()':
2016_ho_t4.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&k);
  ~~~~~^~~~~~~~~~~~~~~
2016_ho_t4.cpp:12:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", str);
  ~~~~~^~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 632 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 380 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 632 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 380 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 3 ms 504 KB Output is correct
28 Correct 4 ms 760 KB Output is correct
29 Correct 10 ms 1648 KB Output is correct
30 Correct 14 ms 2668 KB Output is correct
31 Correct 21 ms 2668 KB Output is correct
32 Correct 18 ms 2664 KB Output is correct
33 Correct 19 ms 2668 KB Output is correct
34 Correct 18 ms 2664 KB Output is correct
35 Correct 18 ms 2668 KB Output is correct
36 Correct 19 ms 2664 KB Output is correct
37 Correct 18 ms 2664 KB Output is correct
38 Correct 18 ms 2664 KB Output is correct
39 Correct 19 ms 2668 KB Output is correct
40 Correct 18 ms 2664 KB Output is correct
41 Correct 18 ms 2792 KB Output is correct
42 Correct 17 ms 2664 KB Output is correct
43 Correct 19 ms 2664 KB Output is correct
44 Correct 18 ms 2668 KB Output is correct
45 Correct 18 ms 2664 KB Output is correct
46 Correct 21 ms 2664 KB Output is correct
47 Correct 23 ms 2668 KB Output is correct
48 Correct 17 ms 2668 KB Output is correct
49 Correct 22 ms 2664 KB Output is correct
50 Correct 11 ms 2668 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 632 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 380 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Runtime error 2 ms 256 KB Execution failed because the return code was nonzero
27 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 632 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 380 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 3 ms 504 KB Output is correct
28 Correct 4 ms 760 KB Output is correct
29 Correct 10 ms 1648 KB Output is correct
30 Correct 14 ms 2668 KB Output is correct
31 Correct 21 ms 2668 KB Output is correct
32 Correct 18 ms 2664 KB Output is correct
33 Correct 19 ms 2668 KB Output is correct
34 Correct 18 ms 2664 KB Output is correct
35 Correct 18 ms 2668 KB Output is correct
36 Correct 19 ms 2664 KB Output is correct
37 Correct 18 ms 2664 KB Output is correct
38 Correct 18 ms 2664 KB Output is correct
39 Correct 19 ms 2668 KB Output is correct
40 Correct 18 ms 2664 KB Output is correct
41 Correct 18 ms 2792 KB Output is correct
42 Correct 17 ms 2664 KB Output is correct
43 Correct 19 ms 2664 KB Output is correct
44 Correct 18 ms 2668 KB Output is correct
45 Correct 18 ms 2664 KB Output is correct
46 Correct 21 ms 2664 KB Output is correct
47 Correct 23 ms 2668 KB Output is correct
48 Correct 17 ms 2668 KB Output is correct
49 Correct 22 ms 2664 KB Output is correct
50 Correct 11 ms 2668 KB Output is correct
51 Runtime error 2 ms 256 KB Execution failed because the return code was nonzero
52 Halted 0 ms 0 KB -